overte/libraries/shared/src/Logging.cpp
2013-10-31 14:16:30 -07:00

120 lines
No EOL
3.5 KiB
C++

//
// Logging.cpp
// hifi
//
// Created by Stephen Birarda on 6/11/13.
// Copyright (c) 2013 HighFidelity, Inc. All rights reserved.
//
#include <cstring>
#include <cstdio>
#include <iostream>
#include <netdb.h>
#include "SharedUtil.h"
#include "NodeList.h"
#include "Logging.h"
sockaddr_in Logging::logstashSocket = {};
char* Logging::targetName = NULL;
sockaddr* Logging::socket() {
if (logstashSocket.sin_addr.s_addr == 0) {
// we need to construct the socket object
// assume IPv4
logstashSocket.sin_family = AF_INET;
// use the constant port
logstashSocket.sin_port = htons(LOGSTASH_UDP_PORT);
// lookup the IP address for the constant hostname
struct hostent* logstashHostInfo;
if ((logstashHostInfo = gethostbyname(LOGSTASH_HOSTNAME))) {
memcpy(&logstashSocket.sin_addr, logstashHostInfo->h_addr_list[0], logstashHostInfo->h_length);
} else {
printf("Failed to lookup logstash IP - will try again on next log attempt.\n");
}
}
return (sockaddr*) &logstashSocket;
}
bool Logging::shouldSendStats() {
static bool shouldSendStats = isInEnvironment("production");
return shouldSendStats;
}
void Logging::stashValue(char statType, const char* key, float value) {
static char logstashPacket[MAX_PACKET_SIZE];
// load up the logstash packet with the key and the passed float value
// send it to 4 decimal places
int numPacketBytes = sprintf(logstashPacket, "%c %s %.4f", statType, key, value);
NodeList *nodeList = NodeList::getInstance();
if (nodeList) {
nodeList->getNodeSocket()->send(socket(), logstashPacket, numPacketBytes);
}
}
void Logging::setTargetName(const char* targetName) {
// remove the old target name, if it exists
delete Logging::targetName;
// copy over the new target name
Logging::targetName = new char[strlen(targetName)];
strcpy(Logging::targetName, targetName);
}
const char* stringForLogType(QtMsgType msgType) {
switch (msgType) {
case QtDebugMsg:
return "DEBUG";
case QtCriticalMsg:
return "CRITICAL";
case QtFatalMsg:
return "FATAL";
case QtWarningMsg:
return "WARNING";
default:
return "UNKNOWN";
}
}
// the following will produce 2000-10-02 13:55:36 -0700
const char DATE_STRING_FORMAT[] = "%F %H:%M:%S %z";
void Logging::verboseMessageHandler(QtMsgType type, const QMessageLogContext& context, const QString& message) {
// log prefix is in the following format
// [DEBUG] [TIMESTAMP] [PID:PARENT_PID] [TARGET] logged string
QString prefixString = QString("[%1]").arg(stringForLogType(type));
time_t rawTime;
time(&rawTime);
struct tm* localTime = localtime(&rawTime);
char dateString[100];
strftime(dateString, sizeof(dateString), DATE_STRING_FORMAT, localTime);
prefixString.append(QString(" [%1]").arg(dateString));
prefixString.append(QString(" [%1").arg(getpid()));
pid_t parentProcessID = getppid();
if (parentProcessID != 0) {
prefixString.append(QString(":%1]").arg(parentProcessID));
} else {
prefixString.append("]");
}
if (Logging::targetName) {
prefixString.append(QString(" [%1]").arg(Logging::targetName));
}
fprintf(stdout, "%s %s", prefixString.toLocal8Bit().constData(), message.toLocal8Bit().constData());
}